Real world company prefixes

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M n O P Q R S T U V W X Y Z Ø
I& I2 I3 I4 I5 I6 I7 I8 I9 IA IB IC ID IE IF IG IH II IJ IK IL IM IN IO IP IQ IR IS IT IU IV IW IX IY IZ
INA INB INC IND INE INF ING INH INI INJ INK INL INM INN INO INP INQ INR INS INT INU INV INW INX INY
INSA INSB INSF INSH INSI INSK INSM INSO INSQ INSR INST INSU INSX INSY
1 INSU INSTANTA   PL BIC
2 INSU INTERSUB SERVICES     PWRC
3 INSU Intersub Services     RSRV
4 INSU GENSTAR CONTAINER CORPORATION     SCAC4